Using the periodic table entry below, match the phrases with their corresponding values. 1. atomic number 96 2. atomic mass 54 3. number of valence electrons 42 4. number of electrons in the n = 3 shell 18 5. number of neutrons 1

In a vernier instrument the main scale is in 1/2 mm divisions .vernier is made by redividing 19 such divisions into 20 equal parts. calculate the least count of the instrument.

How many molecules are present in 3 mols of silicon dioxide (sio2)?

The desk has a weight of 75 lb and a center of gravity at g. determine the initial acceleration of a desk when the man applies enough force f to overcome the static friction at a and b. also, find the vertical reactions on each of the two legs at a and at b. the coefficients of static and kinetic friction at a and b are ms = 0.5 and mk = 0.2, respectively